fixed bu when trying to drag anything over an empty view
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f8f3bd712e
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d699afa6a5
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@ -214,7 +214,7 @@ class ViewFrame (gtk.Frame):
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elif isinstance(obj, fluents.dataset.Dataset):
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elif isinstance(obj, fluents.dataset.Dataset):
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view = self.get_view()
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view = self.get_view()
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if view.is_mappable_with(obj):
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if view != None and view.is_mappable_with(obj):
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view._update_color_from_dataset(obj)
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view._update_color_from_dataset(obj)
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elif isinstance(obj, fluents.dataset.Selection):
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elif isinstance(obj, fluents.dataset.Selection):
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